How To Proceed With Troubleshooting

The hand-held tester can be used at step 3, 4, 5, 7 and 10.

VEHICLE BROUGHT TO WORKSHOP
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CUSTOMER PROBLEM ANALYSIS (See CUSTOMER PROBLEM ANALYSIS CHECK )
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CONNECT HAND-HELD TESTER TO DLC3
HINT:

If the display indicates a communication fault in the tester, inspect DLC3.

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CHECK DTC AND FREEZE FRAME DATA (See DTC CHECK/CLEAR )
HINT:

Record or print DTCs and freeze frame data, if needed.

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CLEAR DTC AND FREEZE FRAME DATA (See DTC CHECK/CLEAR )
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VISUAL INSPECTION
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SETTING CHECK MODE DIAGNOSIS (See CHECK MODE PROCEDURE )
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PROBLEM SYMPTOM CONFIRMATION

HINT:

If the engine does not start, perform steps 10 and 12 first.

MALFUNCTION OCCURS

Malfunction does not occur	A
Malfunction occurs	B

A: GO TO NEXT STEP

B: GO TO STEP 10

DTC CHECK (See DTC CHECK/CLEAR )

MALFUNCTION CODE

Malfunction code	A
No code	B

A: GO TO NEXT STEP

B: GO TO STEP 12

BASIC INSPECTION (See BASIC INSPECTION )

PARTS CONFIRMED

Wrong parts not confirmed	A
Wrong parts confirmed	B

A: GO TO NEXT STEP

B: GO TO STEP 17

PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )

PARTS & CIRCUIT CONFIRMED

Wrong circuit confirmed	A
Wrong parts confirmed	B

A: GO TO NEXT STEP

B: GO TO STEP 17

CIRCUIT INSPECTION

MALFUNCTION CONFIRMED

Malfunction not confirmed	A
Malfunction confirmed	B

A: GO TO NEXT STEP

B: GO TO STEP 18

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CHECK FOR INTERMITTENT PROBLEMS (See CHECK FOR INTERMITTENT PROBLEMS )
GO TO STEP 18

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PARTS INSPECTION
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IDENTIFICATION OF PROBLEM
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ADJUSTMENT AND/OR REPAIR
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CONFIRMATION TEST
END